2005-04-16 22:20:36 +00:00
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/*
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* Video for Linux Two
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*
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* A generic video device interface for the LINUX operating system
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* using a set of device structures/vectors for low level operations.
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*
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* This file replaces the videodev.c file that comes with the
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* regular kernel distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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* Author: Bill Dirks <bdirks@pacbell.net>
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* based on code by Alan Cox, <alan@cymru.net>
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*
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*/
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/*
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* Video capture interface for Linux
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*
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* A generic video device interface for the LINUX operating system
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* using a set of device structures/vectors for low level operations.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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* Author: Alan Cox, <alan@redhat.com>
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*
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* Fixes:
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*/
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/*
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* Video4linux 1/2 integration by Justin Schoeman
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* <justin@suntiger.ee.up.ac.za>
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* 2.4 PROCFS support ported from 2.4 kernels by
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* I<EFBFBD>aki Garc<EFBFBD>a Etxebarria <garetxe@euskalnet.net>
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* Makefile fix by "W. Michael Petullo" <mike@flyn.org>
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* 2.4 devfs support ported from 2.4 kernels by
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* Dan Merillat <dan@merillat.org>
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* Added Gerd Knorrs v4l1 enhancements (Justin Schoeman)
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*/
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/smp_lock.h>
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#include <linux/mm.h>
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#include <linux/string.h>
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#include <linux/errno.h>
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#include <asm/uaccess.h>
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#include <asm/system.h>
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#include <asm/pgtable.h>
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#include <asm/io.h>
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#include <asm/div64.h>
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2006-01-09 17:32:31 +00:00
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#include <linux/video_decoder.h>
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2006-06-04 13:06:18 +00:00
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#define __OLD_VIDIOC_ /* To allow fixing old calls*/
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2006-01-09 17:32:31 +00:00
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#include <media/v4l2-common.h>
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2005-04-16 22:20:36 +00:00
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#ifdef CONFIG_KMOD
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#include <linux/kmod.h>
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#endif
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#if defined(CONFIG_UST) || defined(CONFIG_UST_MODULE)
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#include <linux/ust.h>
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#endif
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#include <linux/videodev.h>
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MODULE_AUTHOR("Bill Dirks, Justin Schoeman, Gerd Knorr");
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MODULE_DESCRIPTION("misc helper functions for v4l2 device drivers");
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MODULE_LICENSE("GPL");
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/*
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*
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* V 4 L 2 D R I V E R H E L P E R A P I
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*
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*/
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/*
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* Video Standard Operations (contributed by Michael Schimek)
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*/
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2006-11-20 16:19:20 +00:00
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char *v4l2_norm_to_name(v4l2_std_id id)
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{
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char *name;
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switch (id) {
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case V4L2_STD_PAL:
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name="PAL"; break;
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case V4L2_STD_PAL_BG:
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name="PAL-BG"; break;
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case V4L2_STD_PAL_DK:
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name="PAL-DK"; break;
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case V4L2_STD_PAL_B:
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name="PAL-B"; break;
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case V4L2_STD_PAL_B1:
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name="PAL-B1"; break;
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case V4L2_STD_PAL_G:
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name="PAL-G"; break;
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case V4L2_STD_PAL_H:
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name="PAL-H"; break;
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case V4L2_STD_PAL_I:
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name="PAL-I"; break;
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case V4L2_STD_PAL_D:
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name="PAL-D"; break;
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case V4L2_STD_PAL_D1:
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name="PAL-D1"; break;
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case V4L2_STD_PAL_K:
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name="PAL-K"; break;
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case V4L2_STD_PAL_M:
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name="PAL-M"; break;
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case V4L2_STD_PAL_N:
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name="PAL-N"; break;
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case V4L2_STD_PAL_Nc:
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name="PAL-Nc"; break;
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case V4L2_STD_PAL_60:
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name="PAL-60"; break;
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case V4L2_STD_NTSC:
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name="NTSC"; break;
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case V4L2_STD_NTSC_M:
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name="NTSC-M"; break;
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case V4L2_STD_NTSC_M_JP:
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name="NTSC-M-JP"; break;
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case V4L2_STD_NTSC_443:
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name="NTSC-443"; break;
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case V4L2_STD_NTSC_M_KR:
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name="NTSC-M-KR"; break;
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case V4L2_STD_SECAM:
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name="SECAM"; break;
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case V4L2_STD_SECAM_DK:
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name="SECAM-DK"; break;
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case V4L2_STD_SECAM_B:
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name="SECAM-B"; break;
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case V4L2_STD_SECAM_D:
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name="SECAM-D"; break;
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case V4L2_STD_SECAM_G:
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name="SECAM-G"; break;
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case V4L2_STD_SECAM_H:
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name="SECAM-H"; break;
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case V4L2_STD_SECAM_K:
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name="SECAM-K"; break;
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case V4L2_STD_SECAM_K1:
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name="SECAM-K1"; break;
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case V4L2_STD_SECAM_L:
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name="SECAM-L"; break;
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case V4L2_STD_SECAM_LC:
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name="SECAM-LC"; break;
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default:
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name="Unknown"; break;
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}
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return name;
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}
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2005-04-16 22:20:36 +00:00
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/* Fill in the fields of a v4l2_standard structure according to the
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'id' and 'transmission' parameters. Returns negative on error. */
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int v4l2_video_std_construct(struct v4l2_standard *vs,
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int id, char *name)
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{
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u32 index = vs->index;
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memset(vs, 0, sizeof(struct v4l2_standard));
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vs->index = index;
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vs->id = id;
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2006-02-27 03:08:52 +00:00
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if (id & V4L2_STD_525_60) {
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2005-04-16 22:20:36 +00:00
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vs->frameperiod.numerator = 1001;
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vs->frameperiod.denominator = 30000;
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vs->framelines = 525;
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} else {
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vs->frameperiod.numerator = 1;
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vs->frameperiod.denominator = 25;
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vs->framelines = 625;
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}
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strlcpy(vs->name,name,sizeof(vs->name));
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return 0;
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}
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/* ----------------------------------------------------------------- */
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/* priority handling */
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#define V4L2_PRIO_VALID(val) (val == V4L2_PRIORITY_BACKGROUND || \
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val == V4L2_PRIORITY_INTERACTIVE || \
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val == V4L2_PRIORITY_RECORD)
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int v4l2_prio_init(struct v4l2_prio_state *global)
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{
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memset(global,0,sizeof(*global));
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return 0;
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}
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int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
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enum v4l2_priority new)
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{
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if (!V4L2_PRIO_VALID(new))
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return -EINVAL;
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if (*local == new)
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return 0;
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atomic_inc(&global->prios[new]);
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if (V4L2_PRIO_VALID(*local))
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atomic_dec(&global->prios[*local]);
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*local = new;
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return 0;
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}
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int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local)
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{
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return v4l2_prio_change(global,local,V4L2_PRIORITY_DEFAULT);
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}
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int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local)
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{
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if (V4L2_PRIO_VALID(*local))
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atomic_dec(&global->prios[*local]);
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return 0;
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}
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enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global)
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{
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if (atomic_read(&global->prios[V4L2_PRIORITY_RECORD]) > 0)
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return V4L2_PRIORITY_RECORD;
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if (atomic_read(&global->prios[V4L2_PRIORITY_INTERACTIVE]) > 0)
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return V4L2_PRIORITY_INTERACTIVE;
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if (atomic_read(&global->prios[V4L2_PRIORITY_BACKGROUND]) > 0)
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return V4L2_PRIORITY_BACKGROUND;
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return V4L2_PRIORITY_UNSET;
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}
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int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local)
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{
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if (*local < v4l2_prio_max(global))
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return -EBUSY;
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return 0;
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}
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/* ----------------------------------------------------------------- */
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2006-02-27 03:08:58 +00:00
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/* some arrays for pretty-printing debug messages of enum types */
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2005-04-16 22:20:36 +00:00
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char *v4l2_field_names[] = {
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[V4L2_FIELD_ANY] = "any",
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[V4L2_FIELD_NONE] = "none",
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[V4L2_FIELD_TOP] = "top",
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[V4L2_FIELD_BOTTOM] = "bottom",
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[V4L2_FIELD_INTERLACED] = "interlaced",
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[V4L2_FIELD_SEQ_TB] = "seq-tb",
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[V4L2_FIELD_SEQ_BT] = "seq-bt",
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[V4L2_FIELD_ALTERNATE] = "alternate",
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};
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char *v4l2_type_names[] = {
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2006-11-16 14:02:28 +00:00
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[V4L2_BUF_TYPE_VIDEO_CAPTURE] = "video-cap",
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[V4L2_BUF_TYPE_VIDEO_OVERLAY] = "video-over",
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[V4L2_BUF_TYPE_VIDEO_OUTPUT] = "video-out",
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[V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap",
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[V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out",
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[V4L2_BUF_TYPE_SLICED_VBI_CAPTURE] = "sliced-vbi-cap",
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[V4L2_BUF_TYPE_SLICED_VBI_OUTPUT] = "slicec-vbi-out",
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2005-04-16 22:20:36 +00:00
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};
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2006-02-27 03:08:58 +00:00
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static char *v4l2_memory_names[] = {
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[V4L2_MEMORY_MMAP] = "mmap",
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[V4L2_MEMORY_USERPTR] = "userptr",
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[V4L2_MEMORY_OVERLAY] = "overlay",
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};
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#define prt_names(a,arr) (((a)>=0)&&((a)<ARRAY_SIZE(arr)))?arr[a]:"unknown"
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2006-01-09 17:32:31 +00:00
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/* ------------------------------------------------------------------ */
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/* debug help functions */
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2006-08-08 12:10:10 +00:00
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#ifdef CONFIG_VIDEO_V4L1_COMPAT
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2006-01-09 17:32:31 +00:00
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static const char *v4l1_ioctls[] = {
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[_IOC_NR(VIDIOCGCAP)] = "VIDIOCGCAP",
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[_IOC_NR(VIDIOCGCHAN)] = "VIDIOCGCHAN",
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[_IOC_NR(VIDIOCSCHAN)] = "VIDIOCSCHAN",
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[_IOC_NR(VIDIOCGTUNER)] = "VIDIOCGTUNER",
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[_IOC_NR(VIDIOCSTUNER)] = "VIDIOCSTUNER",
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[_IOC_NR(VIDIOCGPICT)] = "VIDIOCGPICT",
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[_IOC_NR(VIDIOCSPICT)] = "VIDIOCSPICT",
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[_IOC_NR(VIDIOCCAPTURE)] = "VIDIOCCAPTURE",
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[_IOC_NR(VIDIOCGWIN)] = "VIDIOCGWIN",
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[_IOC_NR(VIDIOCSWIN)] = "VIDIOCSWIN",
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[_IOC_NR(VIDIOCGFBUF)] = "VIDIOCGFBUF",
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[_IOC_NR(VIDIOCSFBUF)] = "VIDIOCSFBUF",
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[_IOC_NR(VIDIOCKEY)] = "VIDIOCKEY",
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[_IOC_NR(VIDIOCGFREQ)] = "VIDIOCGFREQ",
|
|
|
|
|
[_IOC_NR(VIDIOCSFREQ)] = "VIDIOCSFREQ",
|
|
|
|
|
[_IOC_NR(VIDIOCGAUDIO)] = "VIDIOCGAUDIO",
|
|
|
|
|
[_IOC_NR(VIDIOCSAUDIO)] = "VIDIOCSAUDIO",
|
|
|
|
|
[_IOC_NR(VIDIOCSYNC)] = "VIDIOCSYNC",
|
|
|
|
|
[_IOC_NR(VIDIOCMCAPTURE)] = "VIDIOCMCAPTURE",
|
|
|
|
|
[_IOC_NR(VIDIOCGMBUF)] = "VIDIOCGMBUF",
|
|
|
|
|
[_IOC_NR(VIDIOCGUNIT)] = "VIDIOCGUNIT",
|
|
|
|
|
[_IOC_NR(VIDIOCGCAPTURE)] = "VIDIOCGCAPTURE",
|
|
|
|
|
[_IOC_NR(VIDIOCSCAPTURE)] = "VIDIOCSCAPTURE",
|
|
|
|
|
[_IOC_NR(VIDIOCSPLAYMODE)] = "VIDIOCSPLAYMODE",
|
|
|
|
|
[_IOC_NR(VIDIOCSWRITEMODE)] = "VIDIOCSWRITEMODE",
|
|
|
|
|
[_IOC_NR(VIDIOCGPLAYINFO)] = "VIDIOCGPLAYINFO",
|
|
|
|
|
[_IOC_NR(VIDIOCSMICROCODE)] = "VIDIOCSMICROCODE",
|
|
|
|
|
[_IOC_NR(VIDIOCGVBIFMT)] = "VIDIOCGVBIFMT",
|
|
|
|
|
[_IOC_NR(VIDIOCSVBIFMT)] = "VIDIOCSVBIFMT"
|
2005-04-16 22:20:36 +00:00
|
|
|
|
};
|
2006-01-09 17:32:31 +00:00
|
|
|
|
#define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls)
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
static const char *v4l2_ioctls[] = {
|
|
|
|
|
[_IOC_NR(VIDIOC_QUERYCAP)] = "VIDIOC_QUERYCAP",
|
|
|
|
|
[_IOC_NR(VIDIOC_RESERVED)] = "VIDIOC_RESERVED",
|
|
|
|
|
[_IOC_NR(VIDIOC_ENUM_FMT)] = "VIDIOC_ENUM_FMT",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_FMT)] = "VIDIOC_G_FMT",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_FMT)] = "VIDIOC_S_FMT",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_MPEGCOMP)] = "VIDIOC_G_MPEGCOMP",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_MPEGCOMP)] = "VIDIOC_S_MPEGCOMP",
|
|
|
|
|
[_IOC_NR(VIDIOC_REQBUFS)] = "VIDIOC_REQBUFS",
|
|
|
|
|
[_IOC_NR(VIDIOC_QUERYBUF)] = "VIDIOC_QUERYBUF",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_FBUF)] = "VIDIOC_G_FBUF",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_FBUF)] = "VIDIOC_S_FBUF",
|
|
|
|
|
[_IOC_NR(VIDIOC_OVERLAY)] = "VIDIOC_OVERLAY",
|
|
|
|
|
[_IOC_NR(VIDIOC_QBUF)] = "VIDIOC_QBUF",
|
|
|
|
|
[_IOC_NR(VIDIOC_DQBUF)] = "VIDIOC_DQBUF",
|
|
|
|
|
[_IOC_NR(VIDIOC_STREAMON)] = "VIDIOC_STREAMON",
|
|
|
|
|
[_IOC_NR(VIDIOC_STREAMOFF)] = "VIDIOC_STREAMOFF",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_PARM)] = "VIDIOC_G_PARM",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_PARM)] = "VIDIOC_S_PARM",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_STD)] = "VIDIOC_G_STD",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_STD)] = "VIDIOC_S_STD",
|
|
|
|
|
[_IOC_NR(VIDIOC_ENUMSTD)] = "VIDIOC_ENUMSTD",
|
|
|
|
|
[_IOC_NR(VIDIOC_ENUMINPUT)] = "VIDIOC_ENUMINPUT",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_CTRL)] = "VIDIOC_G_CTRL",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_CTRL)] = "VIDIOC_S_CTRL",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_TUNER)] = "VIDIOC_G_TUNER",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_TUNER)] = "VIDIOC_S_TUNER",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_AUDIO)] = "VIDIOC_G_AUDIO",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_AUDIO)] = "VIDIOC_S_AUDIO",
|
|
|
|
|
[_IOC_NR(VIDIOC_QUERYCTRL)] = "VIDIOC_QUERYCTRL",
|
|
|
|
|
[_IOC_NR(VIDIOC_QUERYMENU)] = "VIDIOC_QUERYMENU",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_INPUT)] = "VIDIOC_G_INPUT",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_INPUT)] = "VIDIOC_S_INPUT",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_OUTPUT)] = "VIDIOC_G_OUTPUT",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_OUTPUT)] = "VIDIOC_S_OUTPUT",
|
|
|
|
|
[_IOC_NR(VIDIOC_ENUMOUTPUT)] = "VIDIOC_ENUMOUTPUT",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_AUDOUT)] = "VIDIOC_G_AUDOUT",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_AUDOUT)] = "VIDIOC_S_AUDOUT",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_MODULATOR)] = "VIDIOC_G_MODULATOR",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_MODULATOR)] = "VIDIOC_S_MODULATOR",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_FREQUENCY)] = "VIDIOC_G_FREQUENCY",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_FREQUENCY)] = "VIDIOC_S_FREQUENCY",
|
|
|
|
|
[_IOC_NR(VIDIOC_CROPCAP)] = "VIDIOC_CROPCAP",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_CROP)] = "VIDIOC_G_CROP",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_CROP)] = "VIDIOC_S_CROP",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_JPEGCOMP)] = "VIDIOC_G_JPEGCOMP",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_JPEGCOMP)] = "VIDIOC_S_JPEGCOMP",
|
|
|
|
|
[_IOC_NR(VIDIOC_QUERYSTD)] = "VIDIOC_QUERYSTD",
|
|
|
|
|
[_IOC_NR(VIDIOC_TRY_FMT)] = "VIDIOC_TRY_FMT",
|
|
|
|
|
[_IOC_NR(VIDIOC_ENUMAUDIO)] = "VIDIOC_ENUMAUDIO",
|
|
|
|
|
[_IOC_NR(VIDIOC_ENUMAUDOUT)] = "VIDIOC_ENUMAUDOUT",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_PRIORITY)] = "VIDIOC_G_PRIORITY",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_PRIORITY)] = "VIDIOC_S_PRIORITY",
|
|
|
|
|
#if 1
|
|
|
|
|
[_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP",
|
|
|
|
|
#endif
|
2006-06-18 17:11:08 +00:00
|
|
|
|
[_IOC_NR(VIDIOC_LOG_STATUS)] = "VIDIOC_LOG_STATUS",
|
|
|
|
|
[_IOC_NR(VIDIOC_G_EXT_CTRLS)] = "VIDIOC_G_EXT_CTRLS",
|
|
|
|
|
[_IOC_NR(VIDIOC_S_EXT_CTRLS)] = "VIDIOC_S_EXT_CTRLS",
|
|
|
|
|
[_IOC_NR(VIDIOC_TRY_EXT_CTRLS)] = "VIDIOC_TRY_EXT_CTRLS"
|
2006-01-09 17:32:31 +00:00
|
|
|
|
};
|
|
|
|
|
#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
|
|
|
|
|
|
|
|
|
|
static const char *v4l2_int_ioctls[] = {
|
2006-08-08 12:10:10 +00:00
|
|
|
|
#ifdef CONFIG_VIDEO_V4L1_COMPAT
|
2006-01-09 17:32:31 +00:00
|
|
|
|
[_IOC_NR(DECODER_GET_CAPABILITIES)] = "DECODER_GET_CAPABILITIES",
|
|
|
|
|
[_IOC_NR(DECODER_GET_STATUS)] = "DECODER_GET_STATUS",
|
|
|
|
|
[_IOC_NR(DECODER_SET_NORM)] = "DECODER_SET_NORM",
|
|
|
|
|
[_IOC_NR(DECODER_SET_INPUT)] = "DECODER_SET_INPUT",
|
|
|
|
|
[_IOC_NR(DECODER_SET_OUTPUT)] = "DECODER_SET_OUTPUT",
|
|
|
|
|
[_IOC_NR(DECODER_ENABLE_OUTPUT)] = "DECODER_ENABLE_OUTPUT",
|
|
|
|
|
[_IOC_NR(DECODER_SET_PICTURE)] = "DECODER_SET_PICTURE",
|
|
|
|
|
[_IOC_NR(DECODER_SET_GPIO)] = "DECODER_SET_GPIO",
|
|
|
|
|
[_IOC_NR(DECODER_INIT)] = "DECODER_INIT",
|
|
|
|
|
[_IOC_NR(DECODER_SET_VBI_BYPASS)] = "DECODER_SET_VBI_BYPASS",
|
|
|
|
|
[_IOC_NR(DECODER_DUMP)] = "DECODER_DUMP",
|
|
|
|
|
#endif
|
|
|
|
|
[_IOC_NR(AUDC_SET_RADIO)] = "AUDC_SET_RADIO",
|
|
|
|
|
|
|
|
|
|
[_IOC_NR(TUNER_SET_TYPE_ADDR)] = "TUNER_SET_TYPE_ADDR",
|
|
|
|
|
[_IOC_NR(TUNER_SET_STANDBY)] = "TUNER_SET_STANDBY",
|
|
|
|
|
[_IOC_NR(TDA9887_SET_CONFIG)] = "TDA9887_SET_CONFIG",
|
|
|
|
|
|
2006-04-01 18:27:52 +00:00
|
|
|
|
[_IOC_NR(VIDIOC_INT_S_TUNER_MODE)] = "VIDIOC_INT_S_TUNER_MODE",
|
2006-01-09 17:32:31 +00:00
|
|
|
|
[_IOC_NR(VIDIOC_INT_S_REGISTER)] = "VIDIOC_INT_S_REGISTER",
|
|
|
|
|
[_IOC_NR(VIDIOC_INT_G_REGISTER)] = "VIDIOC_INT_G_REGISTER",
|
|
|
|
|
[_IOC_NR(VIDIOC_INT_RESET)] = "VIDIOC_INT_RESET",
|
|
|
|
|
[_IOC_NR(VIDIOC_INT_AUDIO_CLOCK_FREQ)] = "VIDIOC_INT_AUDIO_CLOCK_FREQ",
|
|
|
|
|
[_IOC_NR(VIDIOC_INT_DECODE_VBI_LINE)] = "VIDIOC_INT_DECODE_VBI_LINE",
|
|
|
|
|
[_IOC_NR(VIDIOC_INT_S_VBI_DATA)] = "VIDIOC_INT_S_VBI_DATA",
|
|
|
|
|
[_IOC_NR(VIDIOC_INT_G_VBI_DATA)] = "VIDIOC_INT_G_VBI_DATA",
|
|
|
|
|
[_IOC_NR(VIDIOC_INT_G_CHIP_IDENT)] = "VIDIOC_INT_G_CHIP_IDENT",
|
2006-04-01 18:27:52 +00:00
|
|
|
|
[_IOC_NR(VIDIOC_INT_I2S_CLOCK_FREQ)] = "VIDIOC_INT_I2S_CLOCK_FREQ",
|
|
|
|
|
[_IOC_NR(VIDIOC_INT_S_STANDBY)] = "VIDIOC_INT_S_STANDBY",
|
|
|
|
|
[_IOC_NR(VIDIOC_INT_S_AUDIO_ROUTING)] = "VIDIOC_INT_S_AUDIO_ROUTING",
|
|
|
|
|
[_IOC_NR(VIDIOC_INT_G_AUDIO_ROUTING)] = "VIDIOC_INT_G_AUDIO_ROUTING",
|
|
|
|
|
[_IOC_NR(VIDIOC_INT_S_VIDEO_ROUTING)] = "VIDIOC_INT_S_VIDEO_ROUTING",
|
2006-04-02 15:50:42 +00:00
|
|
|
|
[_IOC_NR(VIDIOC_INT_G_VIDEO_ROUTING)] = "VIDIOC_INT_G_VIDEO_ROUTING",
|
|
|
|
|
[_IOC_NR(VIDIOC_INT_S_CRYSTAL_FREQ)] = "VIDIOC_INT_S_CRYSTAL_FREQ"
|
2006-01-09 17:32:31 +00:00
|
|
|
|
};
|
|
|
|
|
#define V4L2_INT_IOCTLS ARRAY_SIZE(v4l2_int_ioctls)
|
|
|
|
|
|
2006-02-27 03:08:55 +00:00
|
|
|
|
static void v4l_print_pix_fmt (char *s, struct v4l2_pix_format *fmt)
|
|
|
|
|
{
|
|
|
|
|
printk ("%s: width=%d, height=%d, format=%d, field=%s, "
|
|
|
|
|
"bytesperline=%d sizeimage=%d, colorspace=%d\n", s,
|
|
|
|
|
fmt->width,fmt->height,fmt->pixelformat,
|
2006-02-27 03:08:58 +00:00
|
|
|
|
prt_names(fmt->field,v4l2_field_names),
|
2006-02-27 03:08:55 +00:00
|
|
|
|
fmt->bytesperline,fmt->sizeimage,fmt->colorspace);
|
|
|
|
|
};
|
|
|
|
|
|
2006-01-09 17:32:31 +00:00
|
|
|
|
/* Common ioctl debug function. This function can be used by
|
|
|
|
|
external ioctl messages as well as internal V4L ioctl */
|
|
|
|
|
void v4l_printk_ioctl(unsigned int cmd)
|
|
|
|
|
{
|
|
|
|
|
char *dir;
|
|
|
|
|
|
|
|
|
|
switch (_IOC_DIR(cmd)) {
|
|
|
|
|
case _IOC_NONE: dir = "--"; break;
|
|
|
|
|
case _IOC_READ: dir = "r-"; break;
|
|
|
|
|
case _IOC_WRITE: dir = "-w"; break;
|
|
|
|
|
case _IOC_READ | _IOC_WRITE: dir = "rw"; break;
|
|
|
|
|
default: dir = "*ERR*"; break;
|
|
|
|
|
}
|
|
|
|
|
switch (_IOC_TYPE(cmd)) {
|
|
|
|
|
case 'd':
|
|
|
|
|
printk("v4l2_int ioctl %s, dir=%s (0x%08x)\n",
|
|
|
|
|
(_IOC_NR(cmd) < V4L2_INT_IOCTLS) ?
|
|
|
|
|
v4l2_int_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd);
|
|
|
|
|
break;
|
2006-08-08 12:10:10 +00:00
|
|
|
|
#ifdef CONFIG_VIDEO_V4L1_COMPAT
|
2006-01-09 17:32:31 +00:00
|
|
|
|
case 'v':
|
|
|
|
|
printk("v4l1 ioctl %s, dir=%s (0x%08x)\n",
|
|
|
|
|
(_IOC_NR(cmd) < V4L1_IOCTLS) ?
|
|
|
|
|
v4l1_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd);
|
|
|
|
|
break;
|
|
|
|
|
#endif
|
|
|
|
|
case 'V':
|
|
|
|
|
printk("v4l2 ioctl %s, dir=%s (0x%08x)\n",
|
|
|
|
|
(_IOC_NR(cmd) < V4L2_IOCTLS) ?
|
|
|
|
|
v4l2_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
printk("unknown ioctl '%c', dir=%s, #%d (0x%08x)\n",
|
|
|
|
|
_IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd);
|
|
|
|
|
}
|
|
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
2006-02-27 03:08:49 +00:00
|
|
|
|
/* Common ioctl debug function. This function can be used by
|
|
|
|
|
external ioctl messages as well as internal V4L ioctl and its
|
|
|
|
|
arguments */
|
|
|
|
|
void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg)
|
|
|
|
|
{
|
|
|
|
|
printk(s);
|
|
|
|
|
printk(": ");
|
|
|
|
|
v4l_printk_ioctl(cmd);
|
|
|
|
|
switch (cmd) {
|
|
|
|
|
case VIDIOC_INT_G_CHIP_IDENT:
|
|
|
|
|
{
|
|
|
|
|
enum v4l2_chip_ident *p=arg;
|
|
|
|
|
printk ("%s: chip ident=%d\n", s, *p);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_G_PRIORITY:
|
|
|
|
|
case VIDIOC_S_PRIORITY:
|
|
|
|
|
{
|
|
|
|
|
enum v4l2_priority *p=arg;
|
|
|
|
|
printk ("%s: priority=%d\n", s, *p);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_INT_S_TUNER_MODE:
|
|
|
|
|
{
|
|
|
|
|
enum v4l2_tuner_type *p=arg;
|
|
|
|
|
printk ("%s: tuner type=%d\n", s, *p);
|
|
|
|
|
break;
|
|
|
|
|
}
|
2006-07-23 09:31:19 +00:00
|
|
|
|
#ifdef CONFIG_VIDEO_V4L1_COMPAT
|
2006-02-27 03:08:49 +00:00
|
|
|
|
case DECODER_SET_VBI_BYPASS:
|
|
|
|
|
case DECODER_ENABLE_OUTPUT:
|
|
|
|
|
case DECODER_GET_STATUS:
|
|
|
|
|
case DECODER_SET_OUTPUT:
|
|
|
|
|
case DECODER_SET_INPUT:
|
|
|
|
|
case DECODER_SET_GPIO:
|
|
|
|
|
case DECODER_SET_NORM:
|
|
|
|
|
case VIDIOCCAPTURE:
|
|
|
|
|
case VIDIOCSYNC:
|
|
|
|
|
case VIDIOCSWRITEMODE:
|
2006-07-23 09:31:19 +00:00
|
|
|
|
#endif
|
2006-02-27 03:08:49 +00:00
|
|
|
|
case TUNER_SET_TYPE_ADDR:
|
|
|
|
|
case TUNER_SET_STANDBY:
|
|
|
|
|
case TDA9887_SET_CONFIG:
|
2006-06-04 13:06:18 +00:00
|
|
|
|
#ifdef __OLD_VIDIOC_
|
2006-02-27 03:08:49 +00:00
|
|
|
|
case VIDIOC_OVERLAY_OLD:
|
2006-06-04 13:06:18 +00:00
|
|
|
|
#endif
|
2006-02-27 03:08:49 +00:00
|
|
|
|
case VIDIOC_STREAMOFF:
|
|
|
|
|
case VIDIOC_G_OUTPUT:
|
|
|
|
|
case VIDIOC_S_OUTPUT:
|
|
|
|
|
case VIDIOC_STREAMON:
|
|
|
|
|
case VIDIOC_G_INPUT:
|
|
|
|
|
case VIDIOC_OVERLAY:
|
|
|
|
|
case VIDIOC_S_INPUT:
|
|
|
|
|
{
|
|
|
|
|
int *p=arg;
|
|
|
|
|
printk ("%s: value=%d\n", s, *p);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_G_AUDIO:
|
|
|
|
|
case VIDIOC_S_AUDIO:
|
|
|
|
|
case VIDIOC_ENUMAUDIO:
|
2006-06-04 13:06:18 +00:00
|
|
|
|
#ifdef __OLD_VIDIOC_
|
2006-02-27 03:08:49 +00:00
|
|
|
|
case VIDIOC_G_AUDIO_OLD:
|
2006-06-04 13:06:18 +00:00
|
|
|
|
#endif
|
2006-02-27 03:08:49 +00:00
|
|
|
|
{
|
|
|
|
|
struct v4l2_audio *p=arg;
|
|
|
|
|
|
|
|
|
|
printk ("%s: index=%d, name=%s, capability=%d, mode=%d\n",
|
|
|
|
|
s,p->index, p->name,p->capability, p->mode);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_G_AUDOUT:
|
|
|
|
|
case VIDIOC_S_AUDOUT:
|
|
|
|
|
case VIDIOC_ENUMAUDOUT:
|
2006-06-04 13:06:18 +00:00
|
|
|
|
#ifdef __OLD_VIDIOC_
|
2006-02-27 03:08:49 +00:00
|
|
|
|
case VIDIOC_G_AUDOUT_OLD:
|
2006-06-04 13:06:18 +00:00
|
|
|
|
#endif
|
2006-02-27 03:08:49 +00:00
|
|
|
|
{
|
|
|
|
|
struct v4l2_audioout *p=arg;
|
|
|
|
|
printk ("%s: index=%d, name=%s, capability=%d, mode=%d\n", s,
|
|
|
|
|
p->index, p->name, p->capability,p->mode);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_QBUF:
|
|
|
|
|
case VIDIOC_DQBUF:
|
|
|
|
|
case VIDIOC_QUERYBUF:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_buffer *p=arg;
|
|
|
|
|
struct v4l2_timecode *tc=&p->timecode;
|
2006-02-27 03:08:55 +00:00
|
|
|
|
printk ("%s: %02ld:%02d:%02d.%08ld index=%d, type=%s, "
|
2006-03-19 15:35:57 +00:00
|
|
|
|
"bytesused=%d, flags=0x%08x, "
|
2006-02-27 03:08:58 +00:00
|
|
|
|
"field=%0d, sequence=%d, memory=%s, offset/userptr=0x%08lx\n",
|
2006-02-27 03:08:49 +00:00
|
|
|
|
s,
|
|
|
|
|
(p->timestamp.tv_sec/3600),
|
|
|
|
|
(int)(p->timestamp.tv_sec/60)%60,
|
|
|
|
|
(int)(p->timestamp.tv_sec%60),
|
|
|
|
|
p->timestamp.tv_usec,
|
2006-02-27 03:08:55 +00:00
|
|
|
|
p->index,
|
2006-02-27 03:08:58 +00:00
|
|
|
|
prt_names(p->type,v4l2_type_names),
|
2006-02-27 03:08:55 +00:00
|
|
|
|
p->bytesused,p->flags,
|
2006-02-27 03:08:58 +00:00
|
|
|
|
p->field,p->sequence,
|
|
|
|
|
prt_names(p->memory,v4l2_memory_names),
|
|
|
|
|
p->m.userptr);
|
2006-02-27 03:08:49 +00:00
|
|
|
|
printk ("%s: timecode= %02d:%02d:%02d type=%d, "
|
2006-06-23 10:05:22 +00:00
|
|
|
|
"flags=0x%08x, frames=%d, userbits=0x%08x\n",
|
2006-02-27 03:08:49 +00:00
|
|
|
|
s,tc->hours,tc->minutes,tc->seconds,
|
2006-06-23 10:05:22 +00:00
|
|
|
|
tc->type, tc->flags, tc->frames, *(__u32 *) tc->userbits);
|
2006-02-27 03:08:49 +00:00
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_QUERYCAP:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_capability *p=arg;
|
2006-03-10 15:29:15 +00:00
|
|
|
|
printk ("%s: driver=%s, card=%s, bus=%s, version=0x%08x, "
|
|
|
|
|
"capabilities=0x%08x\n", s,
|
2006-02-27 03:08:49 +00:00
|
|
|
|
p->driver,p->card,p->bus_info,
|
|
|
|
|
p->version,
|
|
|
|
|
p->capabilities);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_G_CTRL:
|
|
|
|
|
case VIDIOC_S_CTRL:
|
2006-06-04 13:06:18 +00:00
|
|
|
|
#ifdef __OLD_VIDIOC_
|
2006-02-27 03:08:49 +00:00
|
|
|
|
case VIDIOC_S_CTRL_OLD:
|
2006-06-04 13:06:18 +00:00
|
|
|
|
#endif
|
2006-02-27 03:08:49 +00:00
|
|
|
|
{
|
|
|
|
|
struct v4l2_control *p=arg;
|
|
|
|
|
printk ("%s: id=%d, value=%d\n", s, p->id, p->value);
|
|
|
|
|
break;
|
|
|
|
|
}
|
2006-06-18 17:11:08 +00:00
|
|
|
|
case VIDIOC_G_EXT_CTRLS:
|
|
|
|
|
case VIDIOC_S_EXT_CTRLS:
|
|
|
|
|
case VIDIOC_TRY_EXT_CTRLS:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_ext_controls *p = arg;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
printk("%s: ctrl_class=%d, count=%d\n", s, p->ctrl_class, p->count);
|
|
|
|
|
for (i = 0; i < p->count; i++) {
|
|
|
|
|
struct v4l2_ext_control *c = &p->controls[i];
|
|
|
|
|
if (cmd == VIDIOC_G_EXT_CTRLS)
|
|
|
|
|
printk("%s: id=%d\n", s, c->id);
|
|
|
|
|
else
|
|
|
|
|
printk("%s: id=%d, value=%d\n", s, c->id, c->value);
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
}
|
2006-02-27 03:08:49 +00:00
|
|
|
|
case VIDIOC_G_CROP:
|
|
|
|
|
case VIDIOC_S_CROP:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_crop *p=arg;
|
|
|
|
|
/*FIXME: Should also show rect structs */
|
|
|
|
|
printk ("%s: type=%d\n", s, p->type);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_CROPCAP:
|
2006-06-04 13:06:18 +00:00
|
|
|
|
#ifdef __OLD_VIDIOC_
|
2006-02-27 03:08:49 +00:00
|
|
|
|
case VIDIOC_CROPCAP_OLD:
|
2006-06-04 13:06:18 +00:00
|
|
|
|
#endif
|
2006-02-27 03:08:49 +00:00
|
|
|
|
{
|
|
|
|
|
struct v4l2_cropcap *p=arg;
|
|
|
|
|
/*FIXME: Should also show rect structs */
|
|
|
|
|
printk ("%s: type=%d\n", s, p->type);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_INT_DECODE_VBI_LINE:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_decode_vbi_line *p=arg;
|
|
|
|
|
printk ("%s: is_second_field=%d, ptr=0x%08lx, line=%d, "
|
|
|
|
|
"type=%d\n", s,
|
|
|
|
|
p->is_second_field,(unsigned long)p->p,p->line,p->type);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_ENUM_FMT:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_fmtdesc *p=arg;
|
|
|
|
|
printk ("%s: index=%d, type=%d, flags=%d, description=%s,"
|
|
|
|
|
" pixelformat=%d\n", s,
|
|
|
|
|
p->index, p->type, p->flags,p->description,
|
|
|
|
|
p->pixelformat);
|
|
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_G_FMT:
|
|
|
|
|
case VIDIOC_S_FMT:
|
|
|
|
|
case VIDIOC_TRY_FMT:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_format *p=arg;
|
2006-02-27 03:08:55 +00:00
|
|
|
|
printk ("%s: type=%s\n", s,
|
2006-02-27 03:08:58 +00:00
|
|
|
|
prt_names(p->type,v4l2_type_names));
|
2006-02-27 03:08:55 +00:00
|
|
|
|
switch (p->type) {
|
|
|
|
|
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
|
|
|
|
|
v4l_print_pix_fmt (s, &p->fmt.pix);
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
break;
|
|
|
|
|
}
|
2006-02-27 03:08:49 +00:00
|
|
|
|
}
|
|
|
|
|
case VIDIOC_G_FBUF:
|
|
|
|
|
case VIDIOC_S_FBUF:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_framebuffer *p=arg;
|
|
|
|
|
printk ("%s: capability=%d, flags=%d, base=0x%08lx\n", s,
|
|
|
|
|
p->capability,p->flags, (unsigned long)p->base);
|
2006-02-27 03:08:55 +00:00
|
|
|
|
v4l_print_pix_fmt (s, &p->fmt);
|
2006-02-27 03:08:49 +00:00
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_G_FREQUENCY:
|
|
|
|
|
case VIDIOC_S_FREQUENCY:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_frequency *p=arg;
|
|
|
|
|
printk ("%s: tuner=%d, type=%d, frequency=%d\n", s,
|
|
|
|
|
p->tuner,p->type,p->frequency);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_ENUMINPUT:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_input *p=arg;
|
|
|
|
|
printk ("%s: index=%d, name=%s, type=%d, audioset=%d, "
|
2006-03-22 18:01:59 +00:00
|
|
|
|
"tuner=%d, std=%Ld, status=%d\n", s,
|
2006-02-27 03:08:49 +00:00
|
|
|
|
p->index,p->name,p->type,p->audioset,
|
2006-03-22 18:01:59 +00:00
|
|
|
|
p->tuner,
|
|
|
|
|
(unsigned long long)p->std,
|
2006-02-27 03:08:49 +00:00
|
|
|
|
p->status);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_G_JPEGCOMP:
|
|
|
|
|
case VIDIOC_S_JPEGCOMP:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_jpegcompression *p=arg;
|
|
|
|
|
printk ("%s: quality=%d, APPn=%d, APP_len=%d, COM_len=%d,"
|
|
|
|
|
" jpeg_markers=%d\n", s,
|
|
|
|
|
p->quality,p->APPn,p->APP_len,
|
|
|
|
|
p->COM_len,p->jpeg_markers);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_G_MODULATOR:
|
|
|
|
|
case VIDIOC_S_MODULATOR:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_modulator *p=arg;
|
|
|
|
|
printk ("%s: index=%d, name=%s, capability=%d, rangelow=%d,"
|
|
|
|
|
" rangehigh=%d, txsubchans=%d\n", s,
|
|
|
|
|
p->index, p->name,p->capability,p->rangelow,
|
|
|
|
|
p->rangehigh,p->txsubchans);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_G_MPEGCOMP:
|
|
|
|
|
case VIDIOC_S_MPEGCOMP:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_mpeg_compression *p=arg;
|
|
|
|
|
/*FIXME: Several fields not shown */
|
|
|
|
|
printk ("%s: ts_pid_pmt=%d, ts_pid_audio=%d, ts_pid_video=%d, "
|
|
|
|
|
"ts_pid_pcr=%d, ps_size=%d, au_sample_rate=%d, "
|
|
|
|
|
"au_pesid=%c, vi_frame_rate=%d, vi_frames_per_gop=%d, "
|
|
|
|
|
"vi_bframes_count=%d, vi_pesid=%c\n", s,
|
|
|
|
|
p->ts_pid_pmt,p->ts_pid_audio, p->ts_pid_video,
|
|
|
|
|
p->ts_pid_pcr, p->ps_size, p->au_sample_rate,
|
|
|
|
|
p->au_pesid, p->vi_frame_rate,
|
|
|
|
|
p->vi_frames_per_gop, p->vi_bframes_count,
|
|
|
|
|
p->vi_pesid);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_ENUMOUTPUT:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_output *p=arg;
|
|
|
|
|
printk ("%s: index=%d, name=%s,type=%d, audioset=%d, "
|
2006-03-22 18:01:59 +00:00
|
|
|
|
"modulator=%d, std=%Ld\n",
|
2006-02-27 03:08:49 +00:00
|
|
|
|
s,p->index,p->name,p->type,p->audioset,
|
2006-03-22 18:01:59 +00:00
|
|
|
|
p->modulator,
|
|
|
|
|
(unsigned long long)p->std);
|
2006-02-27 03:08:49 +00:00
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_QUERYCTRL:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_queryctrl *p=arg;
|
|
|
|
|
printk ("%s: id=%d, type=%d, name=%s, min/max=%d/%d,"
|
|
|
|
|
" step=%d, default=%d, flags=0x%08x\n", s,
|
|
|
|
|
p->id,p->type,p->name,p->minimum,p->maximum,
|
|
|
|
|
p->step,p->default_value,p->flags);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_QUERYMENU:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_querymenu *p=arg;
|
|
|
|
|
printk ("%s: id=%d, index=%d, name=%s\n", s,
|
|
|
|
|
p->id,p->index,p->name);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_INT_G_REGISTER:
|
|
|
|
|
case VIDIOC_INT_S_REGISTER:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_register *p=arg;
|
|
|
|
|
printk ("%s: i2c_id=%d, reg=%lu, val=%d\n", s,
|
|
|
|
|
p->i2c_id,p->reg,p->val);
|
|
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_REQBUFS:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_requestbuffers *p=arg;
|
2006-02-27 03:08:58 +00:00
|
|
|
|
printk ("%s: count=%d, type=%s, memory=%s\n", s,
|
|
|
|
|
p->count,
|
|
|
|
|
prt_names(p->type,v4l2_type_names),
|
|
|
|
|
prt_names(p->memory,v4l2_memory_names));
|
2006-02-27 03:08:49 +00:00
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_INT_S_AUDIO_ROUTING:
|
|
|
|
|
case VIDIOC_INT_S_VIDEO_ROUTING:
|
|
|
|
|
case VIDIOC_INT_G_AUDIO_ROUTING:
|
|
|
|
|
case VIDIOC_INT_G_VIDEO_ROUTING:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_routing *p=arg;
|
2006-03-19 15:35:57 +00:00
|
|
|
|
printk ("%s: input=0x%x, output=0x%x\n", s, p->input, p->output);
|
2006-02-27 03:08:49 +00:00
|
|
|
|
break;
|
|
|
|
|
}
|
2006-04-02 15:50:42 +00:00
|
|
|
|
case VIDIOC_INT_S_CRYSTAL_FREQ:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_crystal_freq *p=arg;
|
|
|
|
|
printk ("%s: freq=%u, flags=0x%x\n", s, p->freq, p->flags);
|
|
|
|
|
break;
|
|
|
|
|
}
|
2006-02-27 03:08:49 +00:00
|
|
|
|
case VIDIOC_G_SLICED_VBI_CAP:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_sliced_vbi_cap *p=arg;
|
|
|
|
|
printk ("%s: service_set=%d\n", s,
|
|
|
|
|
p->service_set);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_INT_S_VBI_DATA:
|
|
|
|
|
case VIDIOC_INT_G_VBI_DATA:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_sliced_vbi_data *p=arg;
|
|
|
|
|
printk ("%s: id=%d, field=%d, line=%d\n", s,
|
|
|
|
|
p->id, p->field, p->line);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_ENUMSTD:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_standard *p=arg;
|
2006-03-22 18:01:59 +00:00
|
|
|
|
printk ("%s: index=%d, id=%Ld, name=%s, fps=%d/%d, "
|
|
|
|
|
"framelines=%d\n", s, p->index,
|
|
|
|
|
(unsigned long long)p->id, p->name,
|
2006-02-27 03:08:49 +00:00
|
|
|
|
p->frameperiod.numerator,
|
|
|
|
|
p->frameperiod.denominator,
|
|
|
|
|
p->framelines);
|
|
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_G_PARM:
|
|
|
|
|
case VIDIOC_S_PARM:
|
2006-06-04 13:06:18 +00:00
|
|
|
|
#ifdef __OLD_VIDIOC_
|
2006-02-27 03:08:49 +00:00
|
|
|
|
case VIDIOC_S_PARM_OLD:
|
2006-06-04 13:06:18 +00:00
|
|
|
|
#endif
|
2006-02-27 03:08:49 +00:00
|
|
|
|
{
|
|
|
|
|
struct v4l2_streamparm *p=arg;
|
|
|
|
|
printk ("%s: type=%d\n", s, p->type);
|
|
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_G_TUNER:
|
|
|
|
|
case VIDIOC_S_TUNER:
|
|
|
|
|
{
|
|
|
|
|
struct v4l2_tuner *p=arg;
|
|
|
|
|
printk ("%s: index=%d, name=%s, type=%d, capability=%d, "
|
|
|
|
|
"rangelow=%d, rangehigh=%d, signal=%d, afc=%d, "
|
|
|
|
|
"rxsubchans=%d, audmode=%d\n", s,
|
|
|
|
|
p->index, p->name, p->type,
|
|
|
|
|
p->capability, p->rangelow,p->rangehigh,
|
|
|
|
|
p->rxsubchans, p->audmode, p->signal,
|
|
|
|
|
p->afc);
|
|
|
|
|
break;
|
|
|
|
|
}
|
2006-07-23 09:31:19 +00:00
|
|
|
|
#ifdef CONFIG_VIDEO_V4L1_COMPAT
|
2006-02-27 03:08:49 +00:00
|
|
|
|
case VIDIOCGVBIFMT:
|
|
|
|
|
case VIDIOCSVBIFMT:
|
|
|
|
|
{
|
|
|
|
|
struct vbi_format *p=arg;
|
|
|
|
|
printk ("%s: sampling_rate=%d, samples_per_line=%d, "
|
|
|
|
|
"sample_format=%d, start=%d/%d, count=%d/%d, flags=%d\n", s,
|
|
|
|
|
p->sampling_rate,p->samples_per_line,
|
|
|
|
|
p->sample_format,p->start[0],p->start[1],
|
|
|
|
|
p->count[0],p->count[1],p->flags);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOCGAUDIO:
|
|
|
|
|
case VIDIOCSAUDIO:
|
|
|
|
|
{
|
|
|
|
|
struct video_audio *p=arg;
|
|
|
|
|
printk ("%s: audio=%d, volume=%d, bass=%d, treble=%d, "
|
|
|
|
|
"flags=%d, name=%s, mode=%d, balance=%d, step=%d\n",
|
|
|
|
|
s,p->audio,p->volume,p->bass, p->treble,
|
|
|
|
|
p->flags,p->name,p->mode,p->balance,p->step);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOCGFBUF:
|
|
|
|
|
case VIDIOCSFBUF:
|
|
|
|
|
{
|
|
|
|
|
struct video_buffer *p=arg;
|
|
|
|
|
printk ("%s: base=%08lx, height=%d, width=%d, depth=%d, "
|
|
|
|
|
"bytesperline=%d\n", s,
|
|
|
|
|
(unsigned long) p->base, p->height, p->width,
|
|
|
|
|
p->depth,p->bytesperline);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOCGCAP:
|
|
|
|
|
{
|
|
|
|
|
struct video_capability *p=arg;
|
|
|
|
|
printk ("%s: name=%s, type=%d, channels=%d, audios=%d, "
|
|
|
|
|
"maxwidth=%d, maxheight=%d, minwidth=%d, minheight=%d\n",
|
|
|
|
|
s,p->name,p->type,p->channels,p->audios,
|
|
|
|
|
p->maxwidth,p->maxheight,p->minwidth,
|
|
|
|
|
p->minheight);
|
|
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOCGCAPTURE:
|
|
|
|
|
case VIDIOCSCAPTURE:
|
|
|
|
|
{
|
|
|
|
|
struct video_capture *p=arg;
|
|
|
|
|
printk ("%s: x=%d, y=%d, width=%d, height=%d, decimation=%d,"
|
|
|
|
|
" flags=%d\n", s,
|
|
|
|
|
p->x, p->y,p->width, p->height,
|
|
|
|
|
p->decimation,p->flags);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOCGCHAN:
|
|
|
|
|
case VIDIOCSCHAN:
|
|
|
|
|
{
|
|
|
|
|
struct video_channel *p=arg;
|
|
|
|
|
printk ("%s: channel=%d, name=%s, tuners=%d, flags=%d, "
|
|
|
|
|
"type=%d, norm=%d\n", s,
|
|
|
|
|
p->channel,p->name,p->tuners,
|
|
|
|
|
p->flags,p->type,p->norm);
|
|
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOCSMICROCODE:
|
|
|
|
|
{
|
|
|
|
|
struct video_code *p=arg;
|
|
|
|
|
printk ("%s: loadwhat=%s, datasize=%d\n", s,
|
|
|
|
|
p->loadwhat,p->datasize);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case DECODER_GET_CAPABILITIES:
|
|
|
|
|
{
|
|
|
|
|
struct video_decoder_capability *p=arg;
|
|
|
|
|
printk ("%s: flags=%d, inputs=%d, outputs=%d\n", s,
|
|
|
|
|
p->flags,p->inputs,p->outputs);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case DECODER_INIT:
|
|
|
|
|
{
|
|
|
|
|
struct video_decoder_init *p=arg;
|
|
|
|
|
printk ("%s: len=%c\n", s, p->len);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOCGPLAYINFO:
|
|
|
|
|
{
|
|
|
|
|
struct video_info *p=arg;
|
|
|
|
|
printk ("%s: frame_count=%d, h_size=%d, v_size=%d, "
|
|
|
|
|
"smpte_timecode=%d, picture_type=%d, "
|
|
|
|
|
"temporal_reference=%d, user_data=%s\n", s,
|
|
|
|
|
p->frame_count, p->h_size,
|
|
|
|
|
p->v_size, p->smpte_timecode,
|
|
|
|
|
p->picture_type, p->temporal_reference,
|
|
|
|
|
p->user_data);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOCKEY:
|
|
|
|
|
{
|
|
|
|
|
struct video_key *p=arg;
|
|
|
|
|
printk ("%s: key=%s, flags=%d\n", s,
|
|
|
|
|
p->key, p->flags);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOCGMBUF:
|
|
|
|
|
{
|
|
|
|
|
struct video_mbuf *p=arg;
|
|
|
|
|
printk ("%s: size=%d, frames=%d, offsets=0x%08lx\n", s,
|
|
|
|
|
p->size,
|
|
|
|
|
p->frames,
|
|
|
|
|
(unsigned long)p->offsets);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOCMCAPTURE:
|
|
|
|
|
{
|
|
|
|
|
struct video_mmap *p=arg;
|
|
|
|
|
printk ("%s: frame=%d, height=%d, width=%d, format=%d\n", s,
|
|
|
|
|
p->frame,
|
|
|
|
|
p->height, p->width,
|
|
|
|
|
p->format);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOCGPICT:
|
|
|
|
|
case VIDIOCSPICT:
|
|
|
|
|
case DECODER_SET_PICTURE:
|
|
|
|
|
{
|
|
|
|
|
struct video_picture *p=arg;
|
|
|
|
|
|
|
|
|
|
printk ("%s: brightness=%d, hue=%d, colour=%d, contrast=%d,"
|
|
|
|
|
" whiteness=%d, depth=%d, palette=%d\n", s,
|
|
|
|
|
p->brightness, p->hue, p->colour,
|
|
|
|
|
p->contrast, p->whiteness, p->depth,
|
|
|
|
|
p->palette);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOCSPLAYMODE:
|
|
|
|
|
{
|
|
|
|
|
struct video_play_mode *p=arg;
|
|
|
|
|
printk ("%s: mode=%d, p1=%d, p2=%d\n", s,
|
|
|
|
|
p->mode,p->p1,p->p2);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOCGTUNER:
|
|
|
|
|
case VIDIOCSTUNER:
|
|
|
|
|
{
|
|
|
|
|
struct video_tuner *p=arg;
|
|
|
|
|
printk ("%s: tuner=%d, name=%s, rangelow=%ld, rangehigh=%ld, "
|
|
|
|
|
"flags=%d, mode=%d, signal=%d\n", s,
|
|
|
|
|
p->tuner, p->name,p->rangelow, p->rangehigh,
|
|
|
|
|
p->flags,p->mode, p->signal);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOCGUNIT:
|
|
|
|
|
{
|
|
|
|
|
struct video_unit *p=arg;
|
|
|
|
|
printk ("%s: video=%d, vbi=%d, radio=%d, audio=%d, "
|
|
|
|
|
"teletext=%d\n", s,
|
|
|
|
|
p->video,p->vbi,p->radio,p->audio,p->teletext);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOCGWIN:
|
|
|
|
|
case VIDIOCSWIN:
|
|
|
|
|
{
|
|
|
|
|
struct video_window *p=arg;
|
|
|
|
|
printk ("%s: x=%d, y=%d, width=%d, height=%d, chromakey=%d,"
|
|
|
|
|
" flags=%d, clipcount=%d\n", s,
|
|
|
|
|
p->x, p->y,p->width, p->height,
|
|
|
|
|
p->chromakey,p->flags,
|
|
|
|
|
p->clipcount);
|
|
|
|
|
break;
|
|
|
|
|
}
|
2006-07-23 09:31:19 +00:00
|
|
|
|
case VIDIOCGFREQ:
|
|
|
|
|
case VIDIOCSFREQ:
|
|
|
|
|
{
|
|
|
|
|
unsigned long *p=arg;
|
|
|
|
|
printk ("%s: value=%lu\n", s, *p);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
2006-02-27 03:08:49 +00:00
|
|
|
|
case VIDIOC_INT_AUDIO_CLOCK_FREQ:
|
|
|
|
|
case VIDIOC_INT_I2S_CLOCK_FREQ:
|
|
|
|
|
case VIDIOC_INT_S_STANDBY:
|
2006-08-26 06:17:58 +00:00
|
|
|
|
case VIDIOC_INT_RESET:
|
2006-02-27 03:08:49 +00:00
|
|
|
|
{
|
|
|
|
|
u32 *p=arg;
|
|
|
|
|
|
|
|
|
|
printk ("%s: value=%d\n", s, *p);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case VIDIOC_G_STD:
|
|
|
|
|
case VIDIOC_S_STD:
|
|
|
|
|
case VIDIOC_QUERYSTD:
|
|
|
|
|
{
|
|
|
|
|
v4l2_std_id *p=arg;
|
|
|
|
|
|
2006-03-22 18:01:59 +00:00
|
|
|
|
printk ("%s: value=%Lu\n", s, (unsigned long long)*p);
|
2006-02-27 03:08:49 +00:00
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
|
/* ----------------------------------------------------------------- */
|
|
|
|
|
|
2006-06-18 17:11:08 +00:00
|
|
|
|
/* Helper functions for control handling */
|
|
|
|
|
|
|
|
|
|
/* Check for correctness of the ctrl's value based on the data from
|
|
|
|
|
struct v4l2_queryctrl and the available menu items. Note that
|
|
|
|
|
menu_items may be NULL, in that case it is ignored. */
|
|
|
|
|
int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl,
|
|
|
|
|
const char **menu_items)
|
|
|
|
|
{
|
|
|
|
|
if (qctrl->flags & V4L2_CTRL_FLAG_DISABLED)
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
if (qctrl->flags & V4L2_CTRL_FLAG_GRABBED)
|
|
|
|
|
return -EBUSY;
|
|
|
|
|
if (qctrl->type == V4L2_CTRL_TYPE_BUTTON ||
|
|
|
|
|
qctrl->type == V4L2_CTRL_TYPE_INTEGER64 ||
|
|
|
|
|
qctrl->type == V4L2_CTRL_TYPE_CTRL_CLASS)
|
|
|
|
|
return 0;
|
|
|
|
|
if (ctrl->value < qctrl->minimum || ctrl->value > qctrl->maximum)
|
|
|
|
|
return -ERANGE;
|
|
|
|
|
if (qctrl->type == V4L2_CTRL_TYPE_MENU && menu_items != NULL) {
|
|
|
|
|
if (menu_items[ctrl->value] == NULL ||
|
|
|
|
|
menu_items[ctrl->value][0] == '\0')
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Returns NULL or a character pointer array containing the menu for
|
|
|
|
|
the given control ID. The pointer array ends with a NULL pointer.
|
|
|
|
|
An empty string signifies a menu entry that is invalid. This allows
|
|
|
|
|
drivers to disable certain options if it is not supported. */
|
|
|
|
|
const char **v4l2_ctrl_get_menu(u32 id)
|
|
|
|
|
{
|
|
|
|
|
static const char *mpeg_audio_sampling_freq[] = {
|
|
|
|
|
"44.1 kHz",
|
|
|
|
|
"48 kHz",
|
|
|
|
|
"32 kHz",
|
|
|
|
|
NULL
|
|
|
|
|
};
|
|
|
|
|
static const char *mpeg_audio_encoding[] = {
|
|
|
|
|
"Layer I",
|
|
|
|
|
"Layer II",
|
|
|
|
|
"Layer III",
|
|
|
|
|
NULL
|
|
|
|
|
};
|
|
|
|
|
static const char *mpeg_audio_l1_bitrate[] = {
|
|
|
|
|
"32 kbps",
|
|
|
|
|
"64 kbps",
|
|
|
|
|
"96 kbps",
|
|
|
|
|
"128 kbps",
|
|
|
|
|
"160 kbps",
|
|
|
|
|
"192 kbps",
|
|
|
|
|
"224 kbps",
|
|
|
|
|
"256 kbps",
|
|
|
|
|
"288 kbps",
|
|
|
|
|
"320 kbps",
|
|
|
|
|
"352 kbps",
|
|
|
|
|
"384 kbps",
|
|
|
|
|
"416 kbps",
|
|
|
|
|
"448 kbps",
|
|
|
|
|
NULL
|
|
|
|
|
};
|
|
|
|
|
static const char *mpeg_audio_l2_bitrate[] = {
|
|
|
|
|
"32 kbps",
|
|
|
|
|
"48 kbps",
|
|
|
|
|
"56 kbps",
|
|
|
|
|
"64 kbps",
|
|
|
|
|
"80 kbps",
|
|
|
|
|
"96 kbps",
|
|
|
|
|
"112 kbps",
|
|
|
|
|
"128 kbps",
|
|
|
|
|
"160 kbps",
|
|
|
|
|
"192 kbps",
|
|
|
|
|
"224 kbps",
|
|
|
|
|
"256 kbps",
|
|
|
|
|
"320 kbps",
|
|
|
|
|
"384 kbps",
|
|
|
|
|
NULL
|
|
|
|
|
};
|
|
|
|
|
static const char *mpeg_audio_l3_bitrate[] = {
|
|
|
|
|
"32 kbps",
|
|
|
|
|
"40 kbps",
|
|
|
|
|
"48 kbps",
|
|
|
|
|
"56 kbps",
|
|
|
|
|
"64 kbps",
|
|
|
|
|
"80 kbps",
|
|
|
|
|
"96 kbps",
|
|
|
|
|
"112 kbps",
|
|
|
|
|
"128 kbps",
|
|
|
|
|
"160 kbps",
|
|
|
|
|
"192 kbps",
|
|
|
|
|
"224 kbps",
|
|
|
|
|
"256 kbps",
|
|
|
|
|
"320 kbps",
|
|
|
|
|
NULL
|
|
|
|
|
};
|
|
|
|
|
static const char *mpeg_audio_mode[] = {
|
|
|
|
|
"Stereo",
|
|
|
|
|
"Joint Stereo",
|
|
|
|
|
"Dual",
|
|
|
|
|
"Mono",
|
|
|
|
|
NULL
|
|
|
|
|
};
|
|
|
|
|
static const char *mpeg_audio_mode_extension[] = {
|
|
|
|
|
"Bound 4",
|
|
|
|
|
"Bound 8",
|
|
|
|
|
"Bound 12",
|
|
|
|
|
"Bound 16",
|
|
|
|
|
NULL
|
|
|
|
|
};
|
|
|
|
|
static const char *mpeg_audio_emphasis[] = {
|
|
|
|
|
"No Emphasis",
|
|
|
|
|
"50/15 us",
|
|
|
|
|
"CCITT J17",
|
|
|
|
|
NULL
|
|
|
|
|
};
|
|
|
|
|
static const char *mpeg_audio_crc[] = {
|
|
|
|
|
"No CRC",
|
|
|
|
|
"16-bit CRC",
|
|
|
|
|
NULL
|
|
|
|
|
};
|
|
|
|
|
static const char *mpeg_video_encoding[] = {
|
|
|
|
|
"MPEG-1",
|
|
|
|
|
"MPEG-2",
|
|
|
|
|
NULL
|
|
|
|
|
};
|
|
|
|
|
static const char *mpeg_video_aspect[] = {
|
|
|
|
|
"1x1",
|
|
|
|
|
"4x3",
|
|
|
|
|
"16x9",
|
|
|
|
|
"2.21x1",
|
|
|
|
|
NULL
|
|
|
|
|
};
|
|
|
|
|
static const char *mpeg_video_bitrate_mode[] = {
|
|
|
|
|
"Variable Bitrate",
|
|
|
|
|
"Constant Bitrate",
|
|
|
|
|
NULL
|
|
|
|
|
};
|
|
|
|
|
static const char *mpeg_stream_type[] = {
|
|
|
|
|
"MPEG-2 Program Stream",
|
|
|
|
|
"MPEG-2 Transport Stream",
|
|
|
|
|
"MPEG-1 System Stream",
|
|
|
|
|
"MPEG-2 DVD-compatible Stream",
|
|
|
|
|
"MPEG-1 VCD-compatible Stream",
|
|
|
|
|
"MPEG-2 SVCD-compatible Stream",
|
|
|
|
|
NULL
|
|
|
|
|
};
|
2006-06-24 17:36:02 +00:00
|
|
|
|
static const char *mpeg_stream_vbi_fmt[] = {
|
|
|
|
|
"No VBI",
|
2006-06-25 14:18:54 +00:00
|
|
|
|
"Private packet, IVTV format",
|
2006-06-24 17:36:02 +00:00
|
|
|
|
NULL
|
|
|
|
|
};
|
2006-06-18 17:11:08 +00:00
|
|
|
|
|
|
|
|
|
switch (id) {
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
|
|
|
|
|
return mpeg_audio_sampling_freq;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_ENCODING:
|
|
|
|
|
return mpeg_audio_encoding;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
|
|
|
|
|
return mpeg_audio_l1_bitrate;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
|
|
|
|
|
return mpeg_audio_l2_bitrate;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
|
|
|
|
|
return mpeg_audio_l3_bitrate;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_MODE:
|
|
|
|
|
return mpeg_audio_mode;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
|
|
|
|
|
return mpeg_audio_mode_extension;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_EMPHASIS:
|
|
|
|
|
return mpeg_audio_emphasis;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_CRC:
|
|
|
|
|
return mpeg_audio_crc;
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_ENCODING:
|
|
|
|
|
return mpeg_video_encoding;
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_ASPECT:
|
|
|
|
|
return mpeg_video_aspect;
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
|
|
|
|
|
return mpeg_video_bitrate_mode;
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_TYPE:
|
|
|
|
|
return mpeg_stream_type;
|
2006-06-24 17:36:02 +00:00
|
|
|
|
case V4L2_CID_MPEG_STREAM_VBI_FMT:
|
|
|
|
|
return mpeg_stream_vbi_fmt;
|
2006-06-18 17:11:08 +00:00
|
|
|
|
default:
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Fill in a struct v4l2_queryctrl */
|
|
|
|
|
int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def)
|
|
|
|
|
{
|
|
|
|
|
const char *name;
|
|
|
|
|
|
|
|
|
|
qctrl->flags = 0;
|
|
|
|
|
switch (qctrl->id) {
|
|
|
|
|
/* USER controls */
|
|
|
|
|
case V4L2_CID_USER_CLASS: name = "User Controls"; break;
|
|
|
|
|
case V4L2_CID_AUDIO_VOLUME: name = "Volume"; break;
|
|
|
|
|
case V4L2_CID_AUDIO_MUTE: name = "Mute"; break;
|
|
|
|
|
case V4L2_CID_AUDIO_BALANCE: name = "Balance"; break;
|
|
|
|
|
case V4L2_CID_AUDIO_BASS: name = "Bass"; break;
|
|
|
|
|
case V4L2_CID_AUDIO_TREBLE: name = "Treble"; break;
|
|
|
|
|
case V4L2_CID_AUDIO_LOUDNESS: name = "Loudness"; break;
|
|
|
|
|
case V4L2_CID_BRIGHTNESS: name = "Brightness"; break;
|
|
|
|
|
case V4L2_CID_CONTRAST: name = "Contrast"; break;
|
|
|
|
|
case V4L2_CID_SATURATION: name = "Saturation"; break;
|
|
|
|
|
case V4L2_CID_HUE: name = "Hue"; break;
|
|
|
|
|
|
|
|
|
|
/* MPEG controls */
|
|
|
|
|
case V4L2_CID_MPEG_CLASS: name = "MPEG Encoder Controls"; break;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: name = "Audio Sampling Frequency"; break;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_ENCODING: name = "Audio Encoding Layer"; break;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_L1_BITRATE: name = "Audio Layer I Bitrate"; break;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_L2_BITRATE: name = "Audio Layer II Bitrate"; break;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_L3_BITRATE: name = "Audio Layer III Bitrate"; break;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_MODE: name = "Audio Stereo Mode"; break;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: name = "Audio Stereo Mode Extension"; break;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_EMPHASIS: name = "Audio Emphasis"; break;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_CRC: name = "Audio CRC"; break;
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_ENCODING: name = "Video Encoding"; break;
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_ASPECT: name = "Video Aspect"; break;
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_B_FRAMES: name = "Video B Frames"; break;
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_GOP_SIZE: name = "Video GOP Size"; break;
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: name = "Video GOP Closure"; break;
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_PULLDOWN: name = "Video Pulldown"; break;
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: name = "Video Bitrate Mode"; break;
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_BITRATE: name = "Video Bitrate"; break;
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: name = "Video Peak Bitrate"; break;
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: name = "Video Temporal Decimation"; break;
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_TYPE: name = "Stream Type"; break;
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_PID_PMT: name = "Stream PMT Program ID"; break;
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_PID_AUDIO: name = "Stream Audio Program ID"; break;
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_PID_VIDEO: name = "Stream Video Program ID"; break;
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_PID_PCR: name = "Stream PCR Program ID"; break;
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO: name = "Stream PES Audio ID"; break;
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO: name = "Stream PES Video ID"; break;
|
2006-06-24 17:36:02 +00:00
|
|
|
|
case V4L2_CID_MPEG_STREAM_VBI_FMT: name = "Stream VBI Format"; break;
|
2006-06-18 17:11:08 +00:00
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
switch (qctrl->id) {
|
|
|
|
|
case V4L2_CID_AUDIO_MUTE:
|
|
|
|
|
case V4L2_CID_AUDIO_LOUDNESS:
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_PULLDOWN:
|
|
|
|
|
qctrl->type = V4L2_CTRL_TYPE_BOOLEAN;
|
|
|
|
|
min = 0;
|
|
|
|
|
max = step = 1;
|
|
|
|
|
break;
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_ENCODING:
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_MODE:
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_EMPHASIS:
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_CRC:
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_ENCODING:
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_ASPECT:
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_TYPE:
|
2006-06-24 17:36:02 +00:00
|
|
|
|
case V4L2_CID_MPEG_STREAM_VBI_FMT:
|
2006-06-18 17:11:08 +00:00
|
|
|
|
qctrl->type = V4L2_CTRL_TYPE_MENU;
|
|
|
|
|
step = 1;
|
|
|
|
|
break;
|
|
|
|
|
case V4L2_CID_USER_CLASS:
|
|
|
|
|
case V4L2_CID_MPEG_CLASS:
|
|
|
|
|
qctrl->type = V4L2_CTRL_TYPE_CTRL_CLASS;
|
|
|
|
|
qctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
|
|
|
|
min = max = step = def = 0;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
qctrl->type = V4L2_CTRL_TYPE_INTEGER;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
switch (qctrl->id) {
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_ENCODING:
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_MODE:
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_B_FRAMES:
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_TYPE:
|
|
|
|
|
qctrl->flags |= V4L2_CTRL_FLAG_UPDATE;
|
|
|
|
|
break;
|
|
|
|
|
case V4L2_CID_AUDIO_VOLUME:
|
|
|
|
|
case V4L2_CID_AUDIO_BALANCE:
|
|
|
|
|
case V4L2_CID_AUDIO_BASS:
|
|
|
|
|
case V4L2_CID_AUDIO_TREBLE:
|
|
|
|
|
case V4L2_CID_BRIGHTNESS:
|
|
|
|
|
case V4L2_CID_CONTRAST:
|
|
|
|
|
case V4L2_CID_SATURATION:
|
|
|
|
|
case V4L2_CID_HUE:
|
|
|
|
|
qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
qctrl->minimum = min;
|
|
|
|
|
qctrl->maximum = max;
|
|
|
|
|
qctrl->step = step;
|
|
|
|
|
qctrl->default_value = def;
|
|
|
|
|
qctrl->reserved[0] = qctrl->reserved[1] = 0;
|
|
|
|
|
snprintf(qctrl->name, sizeof(qctrl->name), name);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Fill in a struct v4l2_queryctrl with standard values based on
|
|
|
|
|
the control ID. */
|
|
|
|
|
int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl)
|
|
|
|
|
{
|
|
|
|
|
switch (qctrl->id) {
|
|
|
|
|
/* USER controls */
|
|
|
|
|
case V4L2_CID_USER_CLASS:
|
|
|
|
|
case V4L2_CID_MPEG_CLASS:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, 0, 0, 0);
|
|
|
|
|
case V4L2_CID_AUDIO_VOLUME:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, 65535, 65535 / 100, 58880);
|
|
|
|
|
case V4L2_CID_AUDIO_MUTE:
|
|
|
|
|
case V4L2_CID_AUDIO_LOUDNESS:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
|
|
|
|
|
case V4L2_CID_AUDIO_BALANCE:
|
|
|
|
|
case V4L2_CID_AUDIO_BASS:
|
|
|
|
|
case V4L2_CID_AUDIO_TREBLE:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, 65535, 65535 / 100, 32768);
|
|
|
|
|
case V4L2_CID_BRIGHTNESS:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 128);
|
|
|
|
|
case V4L2_CID_CONTRAST:
|
|
|
|
|
case V4L2_CID_SATURATION:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, 127, 1, 64);
|
|
|
|
|
case V4L2_CID_HUE:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, -128, 127, 1, 0);
|
|
|
|
|
|
|
|
|
|
/* MPEG controls */
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl,
|
|
|
|
|
V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100,
|
|
|
|
|
V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000, 1,
|
|
|
|
|
V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000);
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_ENCODING:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl,
|
|
|
|
|
V4L2_MPEG_AUDIO_ENCODING_LAYER_1,
|
|
|
|
|
V4L2_MPEG_AUDIO_ENCODING_LAYER_3, 1,
|
|
|
|
|
V4L2_MPEG_AUDIO_ENCODING_LAYER_2);
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl,
|
|
|
|
|
V4L2_MPEG_AUDIO_L1_BITRATE_32K,
|
|
|
|
|
V4L2_MPEG_AUDIO_L1_BITRATE_448K, 1,
|
|
|
|
|
V4L2_MPEG_AUDIO_L1_BITRATE_256K);
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl,
|
|
|
|
|
V4L2_MPEG_AUDIO_L2_BITRATE_32K,
|
|
|
|
|
V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1,
|
|
|
|
|
V4L2_MPEG_AUDIO_L2_BITRATE_224K);
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl,
|
|
|
|
|
V4L2_MPEG_AUDIO_L3_BITRATE_32K,
|
|
|
|
|
V4L2_MPEG_AUDIO_L3_BITRATE_320K, 1,
|
|
|
|
|
V4L2_MPEG_AUDIO_L3_BITRATE_192K);
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_MODE:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl,
|
|
|
|
|
V4L2_MPEG_AUDIO_MODE_STEREO,
|
|
|
|
|
V4L2_MPEG_AUDIO_MODE_MONO, 1,
|
|
|
|
|
V4L2_MPEG_AUDIO_MODE_STEREO);
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl,
|
|
|
|
|
V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4,
|
|
|
|
|
V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16, 1,
|
|
|
|
|
V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4);
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_EMPHASIS:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl,
|
|
|
|
|
V4L2_MPEG_AUDIO_EMPHASIS_NONE,
|
|
|
|
|
V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17, 1,
|
|
|
|
|
V4L2_MPEG_AUDIO_EMPHASIS_NONE);
|
|
|
|
|
case V4L2_CID_MPEG_AUDIO_CRC:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl,
|
|
|
|
|
V4L2_MPEG_AUDIO_CRC_NONE,
|
|
|
|
|
V4L2_MPEG_AUDIO_CRC_CRC16, 1,
|
|
|
|
|
V4L2_MPEG_AUDIO_CRC_NONE);
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_ENCODING:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl,
|
|
|
|
|
V4L2_MPEG_VIDEO_ENCODING_MPEG_1,
|
|
|
|
|
V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 1,
|
|
|
|
|
V4L2_MPEG_VIDEO_ENCODING_MPEG_2);
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_ASPECT:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl,
|
|
|
|
|
V4L2_MPEG_VIDEO_ASPECT_1x1,
|
|
|
|
|
V4L2_MPEG_VIDEO_ASPECT_221x100, 1,
|
|
|
|
|
V4L2_MPEG_VIDEO_ASPECT_4x3);
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_B_FRAMES:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, 33, 1, 2);
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 1, 34, 1, 12);
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 1);
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_PULLDOWN:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl,
|
|
|
|
|
V4L2_MPEG_VIDEO_BITRATE_MODE_VBR,
|
|
|
|
|
V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1,
|
|
|
|
|
V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_BITRATE:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 6000000);
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 8000000);
|
|
|
|
|
case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_TYPE:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl,
|
|
|
|
|
V4L2_MPEG_STREAM_TYPE_MPEG2_PS,
|
|
|
|
|
V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD, 1,
|
|
|
|
|
V4L2_MPEG_STREAM_TYPE_MPEG2_PS);
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_PID_PMT:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 16);
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_PID_AUDIO:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 260);
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_PID_VIDEO:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 256);
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_PID_PCR:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 259);
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
|
|
|
|
|
case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
|
2006-06-24 17:36:02 +00:00
|
|
|
|
case V4L2_CID_MPEG_STREAM_VBI_FMT:
|
|
|
|
|
return v4l2_ctrl_query_fill(qctrl,
|
|
|
|
|
V4L2_MPEG_STREAM_VBI_FMT_NONE,
|
|
|
|
|
V4L2_MPEG_STREAM_VBI_FMT_IVTV, 1,
|
|
|
|
|
V4L2_MPEG_STREAM_VBI_FMT_NONE);
|
2006-06-18 17:11:08 +00:00
|
|
|
|
default:
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Fill in a struct v4l2_querymenu based on the struct v4l2_queryctrl and
|
|
|
|
|
the menu. The qctrl pointer may be NULL, in which case it is ignored. */
|
|
|
|
|
int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qctrl,
|
|
|
|
|
const char **menu_items)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
if (menu_items == NULL ||
|
|
|
|
|
(qctrl && (qmenu->index < qctrl->minimum || qmenu->index > qctrl->maximum)))
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
for (i = 0; i < qmenu->index && menu_items[i]; i++) ;
|
|
|
|
|
if (menu_items[i] == NULL || menu_items[i][0] == '\0')
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
snprintf(qmenu->name, sizeof(qmenu->name), menu_items[qmenu->index]);
|
|
|
|
|
qmenu->reserved = 0;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* ctrl_classes points to an array of u32 pointers, the last element is
|
|
|
|
|
a NULL pointer. Each u32 array is a 0-terminated array of control IDs.
|
|
|
|
|
Each array must be sorted low to high and belong to the same control
|
|
|
|
|
class. The array of u32 pointer must also be sorted, from low class IDs
|
|
|
|
|
to high class IDs.
|
|
|
|
|
|
|
|
|
|
This function returns the first ID that follows after the given ID.
|
|
|
|
|
When no more controls are available 0 is returned. */
|
|
|
|
|
u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id)
|
|
|
|
|
{
|
|
|
|
|
u32 ctrl_class;
|
|
|
|
|
const u32 *pctrl;
|
|
|
|
|
|
|
|
|
|
/* if no query is desired, then just return the control ID */
|
|
|
|
|
if ((id & V4L2_CTRL_FLAG_NEXT_CTRL) == 0)
|
|
|
|
|
return id;
|
|
|
|
|
if (ctrl_classes == NULL)
|
|
|
|
|
return 0;
|
|
|
|
|
id &= V4L2_CTRL_ID_MASK;
|
|
|
|
|
ctrl_class = V4L2_CTRL_ID2CLASS(id);
|
|
|
|
|
id++; /* select next control */
|
|
|
|
|
/* find first class that matches (or is greater than) the class of
|
|
|
|
|
the ID */
|
|
|
|
|
while (*ctrl_classes && V4L2_CTRL_ID2CLASS(**ctrl_classes) < ctrl_class)
|
|
|
|
|
ctrl_classes++;
|
|
|
|
|
/* no more classes */
|
|
|
|
|
if (*ctrl_classes == NULL)
|
|
|
|
|
return 0;
|
|
|
|
|
pctrl = *ctrl_classes;
|
|
|
|
|
/* find first ctrl within the class that is >= ID */
|
|
|
|
|
while (*pctrl && *pctrl < id) pctrl++;
|
|
|
|
|
if (*pctrl)
|
|
|
|
|
return *pctrl;
|
|
|
|
|
/* we are at the end of the controls of the current class. */
|
|
|
|
|
/* continue with next class if available */
|
|
|
|
|
ctrl_classes++;
|
|
|
|
|
if (*ctrl_classes == NULL)
|
|
|
|
|
return 0;
|
|
|
|
|
return **ctrl_classes;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* ----------------------------------------------------------------- */
|
|
|
|
|
|
2006-11-20 16:19:20 +00:00
|
|
|
|
EXPORT_SYMBOL(v4l2_norm_to_name);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
EXPORT_SYMBOL(v4l2_video_std_construct);
|
|
|
|
|
|
|
|
|
|
EXPORT_SYMBOL(v4l2_prio_init);
|
|
|
|
|
EXPORT_SYMBOL(v4l2_prio_change);
|
|
|
|
|
EXPORT_SYMBOL(v4l2_prio_open);
|
|
|
|
|
EXPORT_SYMBOL(v4l2_prio_close);
|
|
|
|
|
EXPORT_SYMBOL(v4l2_prio_max);
|
|
|
|
|
EXPORT_SYMBOL(v4l2_prio_check);
|
|
|
|
|
|
|
|
|
|
EXPORT_SYMBOL(v4l2_field_names);
|
|
|
|
|
EXPORT_SYMBOL(v4l2_type_names);
|
2006-01-09 17:32:31 +00:00
|
|
|
|
EXPORT_SYMBOL(v4l_printk_ioctl);
|
2006-02-27 03:08:49 +00:00
|
|
|
|
EXPORT_SYMBOL(v4l_printk_ioctl_arg);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
2006-06-18 17:11:08 +00:00
|
|
|
|
EXPORT_SYMBOL(v4l2_ctrl_next);
|
|
|
|
|
EXPORT_SYMBOL(v4l2_ctrl_check);
|
|
|
|
|
EXPORT_SYMBOL(v4l2_ctrl_get_menu);
|
|
|
|
|
EXPORT_SYMBOL(v4l2_ctrl_query_menu);
|
|
|
|
|
EXPORT_SYMBOL(v4l2_ctrl_query_fill);
|
|
|
|
|
EXPORT_SYMBOL(v4l2_ctrl_query_fill_std);
|
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
|
/*
|
|
|
|
|
* Local variables:
|
|
|
|
|
* c-basic-offset: 8
|
|
|
|
|
* End:
|
|
|
|
|
*/
|